moved from the simulator dir
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@614 a1c6a512-1295-4272-9138-f99709370657
diff --git a/apps/menu.c b/apps/menu.c
new file mode 100644
index 0000000..5c8356c
--- /dev/null
+++ b/apps/menu.c
@@ -0,0 +1,187 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Robert E. Hak
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "lcd.h"
+#include "menu.h"
+
+#include "tree.h"
+
+#ifdef HAVE_LCD_BITMAP
+
+#include "screensaver.h"
+extern void tetris(void);
+
+
+#define MENU_ITEM_FONT 0
+#define MENU_ITEM_Y_LOC 6
+#define MENU_LINE_HEIGHT 8
+
+enum Main_Menu_Ids {
+ Tetris, Screen_Saver, Browse, Last_Id
+};
+
+struct main_menu_items items[] = {
+ { Tetris, "Tetris", tetris },
+ { Screen_Saver, "Screen Saver", screensaver },
+ { Browse, "Browse", browse_root },
+};
+
+/* Global values for menuing */
+int menu_top;
+int menu_bottom;
+int menu_line_height;
+int cursor;
+
+int get_line_height(void)
+{
+ return menu_line_height;
+}
+
+int is_cursor_menu_top(void)
+{
+ return ((cursor == menu_top) ? 1 : 0);
+}
+
+int is_cursor_menu_bottom(void)
+{
+ return ((cursor == menu_bottom) ? 1 : 0);
+}
+
+void put_cursor_menu_top(void)
+{
+ put_cursor(menu_top);
+}
+
+void put_cursor_menu_bottom(void)
+{
+ put_cursor(menu_bottom);
+}
+
+void move_cursor_up(void)
+{
+ put_cursor(cursor-1);
+}
+
+void move_cursor_down(void)
+{
+ put_cursor(cursor+1);
+}
+
+void redraw_cursor(void)
+{
+ lcd_putsxy(0, cursor*menu_line_height, "-", 0);
+}
+
+/*
+ * Move the cursor to a particular id,
+ * current: where it is now
+ * target: where you want it to be
+ */
+void put_cursor(int target)
+{
+ lcd_putsxy(0, cursor*menu_line_height, " ",0);
+ cursor = target;
+ lcd_putsxy(0, cursor*menu_line_height, "-",0);
+}
+
+/* We call the function pointer related to the current cursor position */
+void execute_menu_item(void)
+{
+ /* call the proper function for this line */
+ items[cursor].function();
+}
+
+void add_menu_item(int location, char *string)
+{
+ lcd_putsxy(MENU_ITEM_Y_LOC, MENU_LINE_HEIGHT*location, string,
+ MENU_ITEM_FONT);
+ if (location < menu_top)
+ menu_top = location;
+ if (location > menu_bottom)
+ menu_bottom = location;
+}
+
+void show_logo(void)
+{
+ unsigned char buffer[112 * 8];
+
+ int failure;
+ int width=0;
+ int height=0;
+
+ failure = read_bmp_file("/rockbox112.bmp", &width, &height, buffer);
+
+ debugf("read_bmp_file() returned %d, width %d height %d\n",
+ failure, width, height);
+
+ if(!failure) {
+ int i;
+ int eline;
+ for(i=0, eline=0; i< height; i+=8, eline++) {
+ int x,y;
+
+ /* the bitmap function doesn't work with full-height bitmaps
+ so we "stripe" the logo output */
+
+ lcd_bitmap(&buffer[eline*width], 0, 24+i, width,
+ (height-i)>8?8:height-i, false);
+
+#if 0
+ /* for screen output debugging */
+ for(y=0; y<8 && (i+y < height); y++) {
+ for(x=0; x < width; x++) {
+
+ if(buffer[eline*width + x] & (1<<y)) {
+ printf("*");
+ }
+ else
+ printf(" ");
+ }
+ printf("\n");
+ }
+#endif
+ }
+
+ lcd_update();
+ }
+
+}
+
+void menu_init(void)
+{
+ menu_top = Tetris;
+ menu_bottom = Last_Id-1;
+ menu_line_height = MENU_LINE_HEIGHT;
+ cursor = menu_top;
+}
+
+void menu_draw(void)
+{
+ int i = 0;
+
+ for (i = i; i < Last_Id; i++)
+ add_menu_item(items[i].menu_id, (char *) items[i].menu_desc);
+
+ show_logo();
+ redraw_cursor();
+}
+
+#endif /* end HAVE_LCD_BITMAP */
+
+